Valve assembly



Oct. 20, 1942. 'r, DQWNEY I VALVE ASSEMBLY Filed May 6, 1942 7 Sheets-Sheet 1 J7 gnuenfo'n v afpazmzey f Z1 a| ULQ 7 5 G. r; DOWNEY VALVE ASSEMBLY 7 Sheets-Sheet 2 Filed ma 6, 1942 zjwum vfoz a TDO wn a g Oct. 20, 1942. T. DOWNEY VALVE ASSEMBLY 7 Sheets-Sheet 3 Filed May 6, 1942 I 6 azrrzey y Q M Oct. 20, 1942. e. T. DOWNEY 2,299,615

I VALVE ASSEMBLY Filed May 6, 1942 '7 Sheets-Sheet 4 Zpawney I Oct. 20, 1942. G.YT. DOWNEY I 2,299,615

VALVE ASSEMBLY Filed May 6, 1942 'T Sheets-Sheet 5 FL afpawney 9 2 G. T. DOWNEY VALVE ASSEMBLY Filed May 6, 1942 7 Sheets-Sheet 7 3 GTPawyzeg Patented Oct. 20, 1942 VALVE ASSEMBLY George T. Downey, Corry, Pa., assignor to Aero Supply Mfg. 00., Inc., Corry, Pa. Application May 6, 1942, Serial No. 441,941

12 Claims.

This invention relates to fluid regulating valves.

An object of this invention is to provide a valve assembly including a housing provided with a plurality of radially arranged intake ports and a common outlet port, with a rockable valve for each intake port and a common cam operator for all of the valves so that a selected valve may be rocked to an open position.

Another object of this invention is to provide an improved rockable valve structure and an improved sealing means for the structure so that a valve of this type may be used for regulating the flow of gasoline to an engine, which has heretofore been impossible with a valve of this type.

Another object of this invention is to provide an improved means for mounting a rockable valve in the housing so as to permit the ready removal of the valve structure without complete disassembly of the valve assembly.

A further object of this invention is to provide an improved operator for the rockable valve which is coupled to the valve cage or seat in such a manner as to be removable from the housing with the cage.

A further object of this invention is to provide a valve structure which is so constructed as to admit the assembly of the structure under lineprcduction methods.

A further object of this invention is to provide a valve assembly of the kind provided with a plurality of radially arranged valve structures inwhich a selected valve structure may be moved to open position, or selected pairs or all of the valve structures may be moved to time.

To the foregoing objects and to others which may hereinafter appear the invention consists of the novel construction, combination and arrangement of parts as will be more specifically referred to and illustrated in the accompanying drawings, wherein are shown embodiments of the invention, but it is to be understood that changes, variations and modifications may be resorted to which fall Within the scope of the invention as claimed.

In the drawings:

Figure 1 is a transverse sectional view partly broken away of a valve assembly constructed according to an embodiment of this invention,

Figure 2 is a sectional view taken on the line 22 of Figure 1,

Figure 3 is a fragmentary sectional view taken on the line 3-3 of Figure 2,

open position at one i Figure 4 is a fragmentary sectional view taken on the line 4-4 of Figure 2,

Figure 5 is a fragmentary sectional view show ing the bolts for securing the valve housing together,

Figure 6 is a, sectional view taken on the line 66 of Figure 2,

Figure 7 is a detail top plan of one of the valve cages,

Figure 8 is a bottom plan of the valve cage with a valve mounted therein,

Figure 9 is a detail side elevation of one of the cylindrical bosses mounted in the valve hous- Figure 10 is a detail side elevation of one of the valve operating yokes,

Figure 11 is a detail end elevation of one of the valve yokes,

Figure 12 is a vertical section of one of the valve cages with the valve structure removed therefrom,

Figure 13 is a vertical section similar to Figure 12, but taken at right angles thereto,

Figure 14 is a detail rear elevation of a modified form of this valve structure,

Figure 15, is a detail top plan of the valve assembly structure shown in Figure 14,

Figure 16 is a sectional view taken on the line |6l6 of either Figure 14 or 15.

Figure 17 is a sectional view taken on the line l!- l1 of Figure 16,

Figure 18 is a sectional view taken on the line l8+l8 of Figure 16,

Figure 19 is a sectional view taken on the line |9l9 of Figure 16,

Figure 20 is a sectional view taken on the line 20-40 of Figure 16, and

Figure 21 is a diagrammatic View showing the various valve positions.

Referring to the drawings and first to Figures 1 to 13, inclusive, the numeral 25 designates gen erally a valve housing which is formed of a cylindrical body 26 having secured to the opposite ends thereof heads or end Walls, generally designated as 21 and 28. The head 21 is formed with a central body 29 provided with a threaded outlet port 30 in the axial center thereof which communicates with the interior of the cylindrical body or side Wall 26. The body 29 is formed with an inwardly extending annular flange 3| which engages interiorly of the cylindrical side wall 26, and the head 21 is also formed with an annular outer flange 32 which is of a diameter substantially greater than the diameter of the side wall 26. The cylindrical side wall 26 is bolts 31 are extended through the flanges 32 and 36 so: as to hold the heads 21 and 28 against the opposite ends of the side wall structure 26. Preferably, a cylindrical spacer 38 is'interposed between the flanges 32 and 33 so thatv tightening of the bolt 37 will not place an undue strain upon the flanges 32 and 35. The side wall 26 is provided at its front end with an annular groove or seat 39 within which a ring-shaped sealing gasket 43 is adapted to engage. Tightening of the bolts 31 will compress the sealing gaskets 34 and 40 so that the heads 21 and 28 will be tightly sealed against the opposite ends of the side wall 25.

The valve housing structure or assembly 25 includes a plurality of radially arranged valve structures, generally designated as M, 42, 43 and M. These valve structures 4| to 44, inclusive, are of identical construction and the detailed description of one of these valve structures will apply equally as Well to the other valve structures. The valve structure ll includes a cylindrical sleeve G which is firmly secured in an opening 45 formed in the side wall 26. A removable sleeve or housing 4? engages about the projecting portion of the sleeve 55 and a gasket 48 is interposed between the inner end of the housing or sleeve 41 and the outer side of the cylindrical side wall 25. The sleeve 41 is formed with an inwardly projecting flange M! which is adapted to abut against the outer end of the sleeve 45 as shown in Figure 1.

A removable valve cage 58 is mounted within the housing or sleeve 41 and comprises a tubular body 5! which is formed with parti-circular opposed portions 52'which are snugly engageable within the sleeve 45 and within the sleeve 41. The body 5! is also formed with opposed flat portions 53 which form opposed chambers 54 between the flat portions 53 and the inner side of the sleeve 45 and the sleeve 49. The cage 50 is pro vided with a valve seat 55 which has the configuration of a figure eight as shown in Figure '7. The cage 53 is also provided with diametrically opposed pairs of inwardly projecting guide members 55, the purpose for which will be hereinafter described.

A rockable valve plate or member 51 is pivotally mounted on diametrically opposed trunnions or pins 58 which are extended through the inner end portions of the body 5| and the pins or trunnions 58 are provided with right angular inwardly projecting extensions 59 which are adapted to substantially abut against the inner surface of the sleeve 45. The body 5! is formed with beveled outer portions 30 which provide a space through which the extensions 59 are adapted to extend as shown in Figure 2. The valve member 511 has fixed to the outer side thereof a sealing gasket 6| which is secured to the outer side of the valve member 5'! by means of an arcuate plate 62. The plate 32 is secured to the valve member 51 by fastening members 63. The gasket BI is also secured to the outer side of the valve seat 55 by means of a holding or clamping plate 64 which is secured to the valve seat 55 by means of one or more fastening members 55.

The plates 52 and 63 have their confronting ends disposed in spaced apart relation as shown in Figure 6, so that the valve member 5? may be rocked on the pivot members 53 and when the valve member 5? is rocked, the gasket (5! will be flexed as shown in Figure 1, with respect to the valve structure 43. In other words, the gasket 63 has substantially one-half thereof secured to the valve member 5'1 and substantially the remaining portion thereof is secured to the outer side of the valve seat 55.

The valve member 57 also has secured to the inner side thereof a second gasket 33. The gasket 66 is secured for a portion of the area thereof to the inner side of the valve member 5i by means of a clamping plate 61 which is secured by fastening members 68 to the inner side of the valve member 57. The gasket is also secured by means of a clamping plate 39 to the inner side of the valve seat 55, the clamping plate 63 being secured tothe valve seat 55 by one or more fastening members TE The valve cage 5| at its outer portion is provided with an outwardly extending flange H which is of annular construction and which is adapted to rest on the shoulder '52 which is formed by the flange 59. The flange H is provided with an annular groove '13 in its outer end portion within which a ring-shaped sealing member M is adapted to engage. A boss 15 which is formed with a flange 73 is adapted to be secured to the sleeve or housing ll by means of fastening members ll which when tightened will compress the gasket "M between the inner end of the boss l5 and the outer portion of the cage member 56. The boss "55 is formed with a threaded outlet opening or port '58 with which a fluid conducting member is adapted to be connected for conducting the fluid from the interior of the housing 25 to the desired location.

A substantially U-shaped yoke or valve oper ating member 19 is slidably disposed between the opposed pairs of guid members 55, and the yoke or valve operating member 13 comprises an arcuate inner member 83 which has formed integral with the outer end portions thereof a pair of parallel slide members 8!. The slide members 8! are adapted to engage in the chambers 54 and the outer end portions of the arcuate operating member 83 slidably engage between the pairs of guide members 56. The operating member I9 has secured to the opposite end portions of the arcuate part 83 thereof, U-shaped spring retaining members 82 and a pair of springs 83 engage between the extensions 88 and the legs of the retainers 82. The inner end portions of the springs 83 rest on the bight 3d of the retainer 82 and the outer end portions of the springs 83 bear against the flange l l The springs 83 constantly urge the valve member 57 to a closed position. The valve member 51 is connected with the operator W by means of a connecting bar or linl: 8-5 which has the inner end thereof secured as at 85 within the arcuate part 83. The connecting member 85 is formed with a hook 81 at its outer end portion which is rockably mounted in an inwardly projecting lug 88 formed on the inner side of the valve member 57 at one side of the pivot members 58.

The valve member 5'? is selectively moved to an open position by means of a cam 89 which is mounted on a cam shaft 9c. The cam 89 is secured on the cam shaft 33 by providing a slot 9| in the inner side thereof, and a pin 92 is extended through the shaft 90 and has the outer or projecting end portions thereof seated in the slot 9|. The cam 89 is yieldably held in locked position with respect to the shaft 90 by means of a spring 93 which at one end bears against the outer side of the cam 89. The opposite end of the spring 93 bears against a cupshaped member 96 which is carried by the shaft 90. The shaft 90 is provided with a reduced inner end portion 95 which is rotatably mounted in a diametrically disposed bearing bar 95 which is secured by means of outwardly extending arms 91 to the head H. The shaft 96 at its outer end portion has secured thereto a handle coupling member 98 which is secured to the outer portion of the shaft 90 by means of a fastening member 99. The shaft 90 is formed with an annular groove I adjacent the inner end portion of the coupling member 98 and an annular plate IOI is interposed between the inner end of the coupling member 98 and the outer side of the head 23. A look ring I 02 is mounted in the groove I00 and a sealing member I03 is mounted in an annular channel I04 which is formed in the outer side of the head 29. The plate IOI bears against the sealing member I03 so that outward strain or tension applied to the shaft 90 by means of the spring 93 will cause the plate iflI to compress the gasket I03.

In order to provide a means whereby the shaft 90 may be yieldably retained in a selected position with respect to a selected valve structure, I have provided an index plate I65 which is loose- 1y mounted on the shaft 90: on the inner side of th head 20. The plate I05 is formed with a plurality of radially arranged inwardly projecting detents I 06, and the head 28 on the inner side thereof is formed with a plurality of radially arranged ball sockets I07 within which balls I08 are adapted to engage. The halls m8 engage not only in the sockets IlII but also in the concave side of each detent I06 as shown in Figure 2.

The cup-shaped member 9:! at its outer end bears against th inner side of the plate I05 so as to place the plate I05 under the desired tension. The plate I05 is held against rotation with respect to the shaft 90 by means of an elongated pin I09 which extends through the shaft 90. The outer portions of the plate I95 are provided with right angularly disposed lugs III! which confront the opposite end portions of the locking pin I09 so as to thereby hold the pin I09 against endwise movement. The plate I05 has struck inwardly therefrom pairs of inwardly projecting lugs H! which engage on opposite sides of the pin Hi9 so that the plate Iii-l5 will be held against rotation with respect to the shaft 90. The cup-shaped member is also formed with diametrically opposed slots H2 in the outer portion thereof within which the pin I09 is also adapted to engage as shown in Figure 2.

Referring now to Figures 14 to 21, inclusive. the numeral a designates generally a valve housing structure which is somewhat similar to that shown in Figures 1 and 2. The housing structure 2% includes a cylindrical side wall member 25a which has secured to the opposite ends thereof heads or end plates 21a and 20a. The heads Zia and 28a are secured to the opposite ends of the cylindrical side well 2611 by means of a plurality of bolts 37a which have spacing sleeves similar to 38 mounted thereabout between the flanges 32a and 36a formed integral with the heads 21a and 28a respectively.

The side Wall 2611 has secured thereto a plurality of radially arranged and longitudinally offset valve structures (Ila, 42a and 43a. The valve structures Ma, 42a and 43a are of like construction and are similar in every detail to the valve structure 4|, hereinbefore described. It is, therefore, believed unnecessary to go into the detailed description of the valv structures Ma, 42a and 43a. A cam shaft a is journaled through the head 28a and is provided with a reduced inner end portion a which is rotatably mounted in a diametrically disposed bearing bar 96a which is carried by inwardly projecting extension 91a formed integral with an outlet boss 29a carried by the head 27a. The bos 29a is formed with an outlet port 30a through which the fluid is adapted to pass which enters the interior of the housing 25a.

The shaft 90a has fixed thereon within the housing 25a a plurality of valve operating cams H3, H4 and H5. The cam H3 is shown in detail in Figure 20 and the cams I M and H5 are shown in detail or side elevation in Figures 18 and 19, respectively. The cams H3 and H4 are held in spaced relation by means of a spacer ring II6 which is mounted .onvthe shaft 90a and the cams II 4 and H5 are held in spaced apart relation by means of a spacer ring III. A spring 93a bear against the cam H5 and constantly maintains the several cams in contacting relation. The cams I I3, H4 and H5 are held against rotation with respect to the shaft 09a in the same manner as the cam 89 is held against rotation With respect to the shaft 90. The spring 93a at its outer end bears against a cup-shaped member 9441 and an index plate 35a is interposed between the inner side of the head 28a and the outer end of the member 94a. The index plate I050, is held against rotation with respect to the shaft 90a by means of a pin I09a which is extended through the shaft 90a and which engages between the pairs of inwardly projecting lugs Illa which are struck inwardly from the index plate I05a.

The pin I090: is held against endwise movement by a pair of inwardly projecting lugs I I M formed integral with the plate lllfia. Th plate IBM is also formed with a plurality of circumferentially arranged inwardly projecting detents I06a, and retaining balls similar to the ball I08 engage in the detents I 06a and also engage in sockets provided in the inner side of the head 28a similar to the sockets I07.

In Figure 21 there is disclosed diagrammatically the manner in which the valve structure hereinbefore described is adapted to operate. As shown at I I 8 all of the valve members are in a closed position. In one position of the cam shaft 90a, as shown at H9, the two valve structures Ma and 42a are in open position, whereas the valve structure 43a is in a closed position. In another position of the cam shaft 90a, the three valve structures Ma, 42a and 4311 are all in an open position as indicated at I2ii. In a further position of the cam shaft 99a as shown at I 2|, the valve structure 4Ia is closed, whereas the valve structures 42a and 43a are in open position. In a further position of the cam shaft 90a as shown at I22, the valve structure 4| a is open, the valve structure 42a is closed and the valve structure 43a is open.

It will be apparent from th foregoing that any selected pair of the valve structures 41a, 42a and 43a may be moved to an open position or all of these valve structure may be moved to either open or closed position.

Referring now to Figure 1 and 2, the valve assembly herein disclosed operates as follows: Rotation of the cam shaft 90 to a selected position will move one of the valve structures to an open position. As an example, the valve structure 43 is shown as being in open position, whereas the valve structures 41, 42 and M are in closed position. When the cam member $9 engages the arcuate operator is, this operator is pushed outwardly against the tension of the springs 83. Outward movement of the operator i9 will effect rocking of the valve member 51 to a position substantially aligning with the longitudinal axis of th valve structure. As the gaskets 6| and 66 are of narrow construction, being open in the inner portion thereof when the valve member 51 is rocked to an open position, th fluid may flow from the intake port it through the interior of the gaskets 6i and 65 and into the interior of the cylindrical side wall 26 and then out through the outlet port 30.

The valve structur hereinbefore described is so constructed that it may be formed on an assembly line in the following manner: The side wall 26 may initially have the sleeve 35 pressed therethrough and where these sleeves are of sufficient number as shown in Figure l, the inner ends of adjacent sleeves will abut against each other. The valve structure lil may be assembled as a separate unit and in like manner the head 28 may have the cam shaft 99 mounted therein with the cam 89 and the remaining parts which are disposed about the shaft 98 on the inner side of the head 28. In the final assembly the heads 21 and 28 are secured to the opposite ends of the side wall 28 by the fastening bolts 31. It will be apparent from the foregoing that any machine operations may be performed on the individual parts making up the valve assembly, and then the several units may be assembled independently of each other and finally combined as hereinbefore described.

What I claim is:

1. A multiple valve assembly comprising a housing formed with a common intake port and a plurality of outlet ports, a valve seat for each intake port, a pivoted valve member for each seat, a sealing gasket, means securing a portion of each gasket to a seat, means securing the remaining portion of each gasket to said valve member, a movable valve operator for each valve member, yieldable means constantly urging said operator to maintain said valve member in closed position, and cam means rotatably carried by said housing engageable with a selected operator for moving said selected operator to valve member opening position.

2. In a multiple valve assembly, a valve structure comprising a tubular cage, opposed pairs of inwardly projecting guides carried by said cage, a valve seat carried by said cage, a valve member, means pivotally mounting said valve member in said cage whereby said valve member when in closed position will be disposed coplanar with said seat and interiorly thereof, a sealing gasket, means securing a portion of said gasket to one side of said seat, means securing another portion of said gasket to one side of said valve member, an operator for said Valve member slidably engaging said guides, and means connecting said operator with said valve member.

3. In a multiple valve assembly, a valve structure comprising a tubular cage formed with opposed flat sides, an outer annular flange carried by said cage, opposed pairs of inwardly projecting guides carried by the inner end of said cage, a valve seat integral with the inner portion of said cage, a valve member, means pivotally mounting said valve member in said cage whereby said valve member when in closed position will be disposed coplanar with said seat and interiorly thereof, a sealing gasket disposed in overlapping position with respect to said seat and the outer portions of said valve member, means securing a portion of said gasket to said seat, means securing another portion of said gasket to said valve member, an operator for said valve member slidably engaging said guides, yieldable means confronting said flat sides bearing against said outer flange and against said operator to thereby bias said operator to valve member closing position, and means connecting said operator with said valve member.

4. In a multiple valve assembly, a valve structure comprising a tubular cage formed with opposed flat sides, an outer annular flange carried by said cage, opposed pairs of inwardly projecting guides carried by the inner end of said cage, a valve seat integral with the inner portion of said cage, a valve member, means pivotally mounting said valve member in said cage whereby said valve member when in closed position will be disposed coplanar with said seat and interiorly thereof, a sealing gasket disposed in overlapping position with respect to said seat and the outer portions of said valve member, means securing a portion of said gasket to said seat, means securing another portion of said gasket to said valve member, an operator for said valve member slidably engaging said guides, a pair of U-shaped spring retainers carried by said operator, springs engaging said retainers and said outer flange normally urging said operator to valve member closing position, and means connecting said operator with said valve member.

5. In a multiple valve assembly, a valve structure comprising a tubular cage formed with opposed fiat sides, an outer annular flange carried by said cage, opposed pairs of inwardly projecting guides carried by the inner end of said cage, a valve seat integral with the inner portion of said cage, a valve member, means pivotally mounting said valve member in said cage whereby said valve member when in closed position will be. disposed coplanar with said seat and interiorly thereof, a sealing gasket disposed in overlapping position with respect to said seat and the outer portions of said valve member, means securing a portion of said gasket to said seat, means securing another portion of said gasket to said valve memher, an operator for said valve member slidably engaging said guides, said operator being U- shaped in side elevation and having the parallel legs thereof movable in confronting position with respect to said flat sides, a pair of U-shaped spring retainers carried by said operator each having the parallel legs thereof disposed in parallel relation to a leg of said operator, a pair of springs carried by each retainer, the inner ends of said springs seating on the bight of said retainer and the outer ends of said springs bearing against said outer flange, said springs normally urging said operator to valve member closing position, and means connecting said operator with said valve member.

6. In a multiple valve assembly, a valve housing including a body, opposite head members, means securing said head members to said body,

radially arranged valve structures carried-by said body, a cam shaft journaled through one of said head members, an inner bearing for said shaft carried by the other head member, a cam on said shaft formed with a slot in one face thereof, a locking pin extending through said shaft and seated in said slot to thereby hold said cam against rotation with respect to said shaft, and yieldable means about said shaft bearing against said cam to hold the latter interlocked with said shaft.

7. In a multiple valve assembly, a valve housing including a body, opposite head members, means securing said head members to said body, radially arranged valve structures carried by said body, a cam shaft journaled through one of said head members, an inner bearing for said shaft carried by the other head member, a cam on said shaft formed with a slot in one face thereof, a locking pin extending through said shaft and seated in said slot to thereby hold said cam against rotation with respect to said shaft, an index plate on said shaft confronting one of said heads, confronting ball sockets carried by said one head and said index plate, balls in said confronting sockets, means holding said plate against rotation with respect to said shaft, and yieldable means about said shaft between said plate and said cam for normally urging said plate toward said one head and also urging said cam against said pin.

8. A multiple valve assembly comprising a cylindrical body formed With a plurality of radial- 1y arranged openings, cylindrical sleeves tightly fitting in said openings and projecting interiorly and exteriorly of said body, outer sleeves tightly fitting about the outer portions of said first sleeves, an inner shoulder carried by each outer sleeve, a valve cage seated on said shoulder, a rockable valve member for each cage, a valve member operator slidably carried by each cage, means connecting said operator to said valve member, a pair of heads engaging the opposite ends of said body, each head including a flange having a diameter greater than the outer diameter of said body, bolts engaging through said flanges outwardly of said body for holding said heads against the ends of said body, a cam shaft journaled through one of said heads, a reduced inner end carried by said shaft, an inner bearing carried by the other head for said reduced inner end of said cam shaft, and a cam fixed on said shaft for engagement with a selected operator to thereby move a selected valve member to open position.

9. A multiple valve'assembly comprising a cylindrical body formed with a plurality of radially arranged openings, cylindrical sleeves tightly fitting in said openings and projecting interiorly and exteriorly of said body, outer sleeves tightly fitting about the outer portions of said first sleeves, an inner shoulder carried by each outer sleeve, a valve cage seated on said shoulder, a valve seat carried by said cage, a rockable valve member for said seat, flexible sealing means, means securing a portion of said sealing means to said valve seat, means securing another portion of said sealing means to said valve member, a valve member operator slidably carried by each cage, means connecting said operator to said valve member, a pair of heads engaging the opposite ends of said body, each head including a fiange having a diameter greater than the outer diameter of said body, bolts engaging through said flanges outwardly of said body for holding 5 said heads against the ends of said body, a cam shaft journaled through one of said heads, a reduced inner'end carried by said shaft, an inner bearing carried by the other head for said reduced inner end of said cam shaft, and a cam fixed on said shaft'for engagement with a selected operator to thereby move a selected valve member to open position.

10. Amultiple Valve assembly comprising a cylindrical body formed with a plurality of radially arranged openings, cylindrical sleeves tightly fitting in said openings and projecting interiorly and exteriorly of said body, outer sleeves tightly fitting about the outer portions of said first sleeves, an inner shoulder carried by each outer sleeve, a valve cage seated on said shoulder, a valve seat carried by said cage, a rockable valve member carried by said cage and disposed coplanar with said seat when in closed position, flexible sealing members engaging the opposite sides of said seat and said valve member, means securing a portion of each sealing member to said seat, means securing another portion of each sealing member to said valve member, a valve member operator slidably carried by each cage, means connecting said operator to said valve member, a pair of heads engaging the opposite ends of said body, each head including a flange having a diameter greater than the outer diameter of said body, bolts engaging through said flanges outwardly of said body for holding said heads against the ends of said body, a cam shaft journaled through one of said heads, a reduced inner end carried by said shaft, an inner bearing carried by the other head for said reduced inner end of said cam shaft, and a cam fixed on said shaft for engagement with a selected operator to thereby move a selected valve member to open position.

11. A multiple valve assembly comprising a cylindrical body formed with a plurality of radially arranged openings, cylindrical sleeves tightly fitting in said openings and projecting interiorly and exteriorly of said body, outer sleeves tightly fitting about the outer portions of said first sleeves, an inner shoulder carried by each outer sleeve, a valve cage seated on said shoulder, a valve seat carried by said cage, a rockable valve member carried by said cage and disposed coplanar with said seat when in closed position, flexible sealing members engaging the opposite sides of said seat and said valve member, means securing a portion of each sealing member to said seat, means securing another portion of each sealing member to said valve member, a valve member operator slidably carried by each cage, means connecting said operator to said valve member, a pair of heads engaging the opposite ends of said body, each head including a flange having a diameter greater than the outer diameter of said body, bolts engaging through said flanges outwardly of said body for holding said heads against the ends of said body, a cam shaft journaled through one of said heads, a reduced inner end carried by said shaft, an inner bearing carried by the other head for said reduced inner end of said cam shaft, a cam fixed on said shaft for engagement with a selected operator to thereby move a selected valve member to open position, and spring-pressed means normally holding said shaft against rotation.

12. In a multiple valve assembly, a valve housing including a hollow body, a pair of head mem bers at the ends of said body, means exteriorly of said body securing said heads to said body, ra

dially arranged valve structures carried by said body, a cam shaft journaled through one of said heads, an inner cam shaft bearing carried by the other head, a cam on said shaft, means securing said cam on said .shaft, an index plate on said shaft adjacent the inner side of said one head, outwardly facing sockets formed in said plate, inwardly facing sockets formed in said one head confronting the sockets in said plate, balls in said sockets, an elongated pin extending through said shaft, inwardly extending lugs struck from said plate and engaging on opposite sides of said pin, means carried by said plate for holding said pin against endwise movement, a cup-shaped plate presser member on said shaft formed with slots through which said pin is adapted to loosely engage, and a spring about said shaft between said cam and said presser member for constantly urging said index plate outwardly and yieldably holding said shaft against rotation.

GEORGE T. DOWNEY. 

